{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T02:41:37Z","timestamp":1747190497464,"version":"3.40.5"},"reference-count":18,"publisher":"Wiley","license":[{"start":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T00:00:00Z","timestamp":1638403200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Dentistry"],"published-print":{"date-parts":[[2021,12,2]]},"abstract":"<jats:p>Micromovements of the implant-abutment connection influence peri-implant bone preservation. The maximal torque after a cycle of implant prosthetic screw tightening using original components of different manufacturers and replicas produced by other companies is evaluated and quantified in this study. A total of 30 Mis Seven\u00ae standard platform implants and 30 interfaces were used, and 30 standard platform screws were tested, 10 Mis\u00ae, 10 Iconekt\u00ae, and 10 Exaktus\u00ae. The screws were tightened with an MIS\u00ae torquemeter until their respective fracture, and the fracture point was measured through the equipment\u2019s load cell, CS-Dental Testing Machine\u00ae. The screws were analyzed under an Olympus\u00ae SZ61 microscope. The fracture points were recorded and compared among all samples. To compare the mean values of the fracture torques, t-tests were performed using the reference values associated with each brand and the sample results. The variable \u201cPlace of Fracture\u201d between the original Mis\u00ae brand and the Exaktus\u00ae replica compared to the Iconekt\u00ae replica presented a statistically significant difference (p\u2009&lt;\u20090.001). When analyzing the variable \u201cFracture Torque,\u201d although it was verified that the replica screws (Iconekt\u00ae and Exaktus\u00ae) had a lower maximum torque, 65.11\u2009Nm and 62.89\u2009Nm, respectively, compared to the original Mis\u00ae brand (70\u2009Nm and 69\u2009Nm), there were no statistically significant differences p\u2009&gt;\u20090.05. Nonoriginal screws did not present different fracture resistances compared to the original Mis\u00ae brand screws. The fracture site of Iconekt\u00ae screws showed a different pattern compared to the other brands.<\/jats:p>","DOI":"10.1155\/2021\/5133556","type":"journal-article","created":{"date-parts":[[2021,12,2]],"date-time":"2021-12-02T21:20:05Z","timestamp":1638480005000},"page":"1-7","source":"Crossref","is-referenced-by-count":0,"title":["Comparison of Mechanical Resistance to Maximal Torsion Stress in Original and Nonoriginal or Compatible Prosthetic Implant Screws: An In Vitro Study"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1718-0744","authenticated-orcid":true,"given":"Ant\u00f3nio S\u00e9rgio","family":"Silva","sequence":"first","affiliation":[{"name":"Dental Science Department, Instituto de Investiga\u00e7\u00e3o e Forma\u00e7\u00e3o Avan\u00e7ada Em Ci\u00eancias e Tecnologias da Sa\u00fade (IINFACTS), Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"},{"name":"Department of Oral Rehabilitation, Instituto Universit\u00e1rio de Ci\u00eancias da Sa\u00fade, Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6920-5838","authenticated-orcid":true,"given":"Jos\u00e9 Manuel","family":"Mendes","sequence":"additional","affiliation":[{"name":"Dental Science Department, Instituto de Investiga\u00e7\u00e3o e Forma\u00e7\u00e3o Avan\u00e7ada Em Ci\u00eancias e Tecnologias da Sa\u00fade (IINFACTS), Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"},{"name":"Department of Oral Rehabilitation, Instituto Universit\u00e1rio de Ci\u00eancias da Sa\u00fade, Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tiago","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"Dental Science Department, Instituto de Investiga\u00e7\u00e3o e Forma\u00e7\u00e3o Avan\u00e7ada Em Ci\u00eancias e Tecnologias da Sa\u00fade (IINFACTS), Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2129-6333","authenticated-orcid":true,"given":"Carlos","family":"Aroso","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation, Instituto Universit\u00e1rio de Ci\u00eancias da Sa\u00fade, Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0951-3227","authenticated-orcid":true,"given":"Pedro","family":"Barreiros","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation, Instituto Universit\u00e1rio de Ci\u00eancias da Sa\u00fade, Rua Central da Gandra 1317, 4585-116 Gandra, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","first-page":"1060","article-title":"Thousand years of dental implants: a definitive history\u2014Part 1","volume":"16","author":"M. 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